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80061384 = 23313219739
BaseRepresentation
bin1001100010110…
…10001111001000
312120122112120110
410301122033020
5130443431014
611535554320
71661340054
oct461321710
9176575513
1080061384
1141213337
122298b9a0
1313782300
14a8c0c64
157066d59
hex4c5a3c8

80061384 has 48 divisors (see below), whose sum is σ = 216745200. Its totient is φ = 24633024.

The previous prime is 80061361. The next prime is 80061389. The reversal of 80061384 is 48316008.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80061389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5814 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (4515525).

Almost surely, 280061384 is an apocalyptic number.

It is an amenable number.

80061384 is an abundant number, since it is smaller than the sum of its proper divisors (136683816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80061384 is a wasteful number, since it uses less digits than its factorization.

80061384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19774 (or 19757 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80061384 is about 8947.7027219281. The cubic root of 80061384 is about 430.9971163471.

The spelling of 80061384 in words is "eighty million, sixty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 169 312 338 507 676 1014 1352 2028 4056 19739 39478 59217 78956 118434 157912 236868 256607 473736 513214 769821 1026428 1539642 2052856 3079284 3335891 6158568 6671782 10007673 13343564 20015346 26687128 40030692 80061384